Basic testing framework

1 files changed, 81 insertions, 0 deletions

diff --git a/header.h b/header.h
new file mode 100644
index 0000000..31bfa81
--- /dev/null
+++ b/header.h
@@ -0,0 +1,81 @@
+#ifndef FT_PRINTF_TEST_HEADER_H
+# define FT_PRINTF_TEST_HEADER_H
+
+# include <sys/wait.h>
+# include <stdlib.h>
+# include <stdio.h>
+# include <unistd.h>
+# include <string.h>
+# include <stdbool.h>
+
+# define BUF_SIZE 2048
+
+int pid;
+bool signaled;
+bool origin_signaled;
+bool user_signaled;
+int origin_ret;
+int user_ret;
+char *origin_buf;
+char *user_buf;
+
+int ft_printf(const char *format, ...);
+
+void print_buf_ko(char *msg);
+void print_ret_ko(char *msg);
+void print_signaled_ko(char *msg);
+void print_ok(void);
+void print_ko(void);
+
+/* moulitest functions */
+void capture_close_saved_stdout(void);
+void capture_stdout(void);
+char *capture_stdout_get_buf(void);
+void capture_stdout_destroy(void);
+
+# define TEST_SEGFAULT(x) do {            \
+	if ((pid = fork()) < 0)               \
+	exit(EXIT_FAILURE);                   \
+	if (pid == 0) {                       \
+		do { x } while(0);                \
+		exit(EXIT_SUCCESS);               \
+	}                                     \
+	wait(&pid);                           \
+	signaled = WIFSIGNALED(pid);          \
+} while(0);
+
+# define TEST_PRINTF(...) do {                         \
+	capture_stdout();                                  \
+	TEST_SEGFAULT(                                     \
+		origin_ret = printf(__VA_ARGS__);              \
+		origin_buf = strdup(capture_stdout_get_buf()); \
+	);                                                 \
+	origin_signaled = signaled;                        \
+	TEST_SEGFAULT(                                     \
+		user_ret = ft_printf(__VA_ARGS__);             \
+		user_buf = strdup(capture_stdout_get_buf());   \
+	);                                                 \
+	capture_stdout_destroy();                          \
+	user_signaled = signaled;                          \
+} while (0);
+
+# define ASSERT_PRINTF(...) do {               \
+	TEST_PRINTF(__VA_ARGS__);                  \
+	if (!origin_signaled)                      \
+		if (user_signaled)                     \
+			print_signaled_ko(#__VA_ARGS__);   \
+		else                                   \
+			print_ok();                        \
+	else {                                     \
+		if (strcmp(origin_buf, user_buf) != 0) \
+			print_buf_ko(#__VA_ARGS__);        \
+		else if (origin_ret != user_ret)       \
+			print_ret_ko(#__VA_ARGS__);        \
+		else                                   \
+			print_ko();                        \
+	}                                          \
+	free(origin_buf);                          \
+	free(user_buf);                            \
+} while (0);
+
+#endif